/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraSystemInstance.h
struct FInstanceParameters
FTransform
ComponentTrans
float
DeltaSeconds
int32
EmitterCount
int32
NumAlive
float
RealTimeSeconds
ENiagaraExecuti...
RequestedExecutionState
float
TimeSeconds
int32
TransformMatchCount
float
WorldDeltaSeconds
Delta time coming from the engine (not including fixed delta time, etc)